Chair



FIG. 1 is a perspective view of our new design for a chair as seen from a point above and to one side of the design.

FIG. 2 is a side view of the chair, the opposite side being a mirror image thereof; and,

FIG. 3 is a top plan view of the chair.

The portions of the chair which have not been shown or described form no part of the claimed design. 

The ornamental design for a chair, as shown and described. 